再巨大的星辰也逃不过生命的循环，终有一日会变为尘埃，公布于2010年3月29日照片中的超新星残骸g54.1.0.3非常好的说明了这一现象。

The cycle of life brings even huge stars to dust, as highlighted by a newly released picture of the supernova remnant G54.1 0.3.

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天文学家已经发现那颗超新星50多年了，他们仍一直在寻找更多失踪的超新星和它们的残骸。

Ever since astronomers discovered that supernova more than 50 years ago, they have been searching for more "missing" supernovae and their remnants.

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现在，星系充满了气体和灰尘，掩盖了遥远的超新星的可见性，但是(它的)残骸依然放射出可检测的无线电波和X射线。

Now the galaxy is full of gas and dust, which could hide a distant supernova optically, but the remnant would still produce detectable radio waves and X-rays.

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